London’s current population is 8.825 million
(2017 mid-year estimate, ONS)
GLA Projections
The GLA’s population projections are updated annually at both local authority and ward level. The most up-to-date set of GLA projections is the 2016-based projection round. The full range of current GLA projections are available below.
The GLA recommends the housing-led variant projection for most uses. Click here to download the housing-led pr...

Table showing ethnic group statistics by aggregated groupings.
Categories covered:
White - includes White British, Irish, Gypsy or Irish Traveller, and Other
Black - includes Black African, Caribbean, and Other
Asian - includes Indian, Pakistani, Bangladeshi, Chinese and Other
Mixed/Other - includes White and Black Caribbean, White and Asian, White and Black African, Other Mixed, Arab and any Other ethnicity not covered above.
...

This dataset contains documentation and reporting relating to the GLA 2016-based population and household projections.
The 2016-based projections model outputs can be downloaded here:
Projections Outputs
The documentation archive containing methodology and reporting from previous rounds of GLA projections can be found here:
Document Archive

This Excel based tool enables users to query the raw single year of age data so that any age range can easily be calculated without having to carry out often complex, and time consuming formulas that could also be open to human error. Each year the GLA demography team produce sets of population projections.
The full raw data by single year of age (SYA) and gender are available as Datastore packages at the links below.
How to use the t...

Numbers of people on local authority electoral registers.
The table shows total number of local government electors includes residential qualifiers and attainers, Peers and European Union citizens. Local government areas are unitary authorities, London boroughs and district councils in England; unitary authorities in Wales; council areas in Scotland and Northern Ireland.
This table is derived from data supplied to ONS by Electoral Reg...

Land area and population density figures for 2001 to 2050 for wards and boroughs. Ward data begins in 2011.
Population figure included are GLA estimate (2016-based projections), 2011 Census and ONS Mid-year Estimates.
GLA figures are based on GLA population projections. Select which year you require from the drop-down box in the spreadsheet.
Inland area takes account of water line. Areas with large bodies of water will have a smaller...

National Insurance Number (NINo) registrations to adult overseas nationals entering the UK by year of registration, by country of origin.
100% extract from National Insurance Recording System.
Figures are rounded to the nearest ten. Some additional disclosure control has been applied. Totals may not sum due to rounding method used.
Registration date is derived from the date at which a NINo is maintained on the National Insurance Reco...

This Excel tool enables you to interrogate data annual data between 2004 and 2016 at London borough level released by the Office for National Statistics in the Local Area Migration Indicators suite (LAMI).
Data includes:
Long-term international migration
Internal migration
new migrant GP registrations
Births
National Insurance number registrations to overseas nationals